Home
×

Ruby
Ruby

Opal
Opal



ADD
Compare
X
Ruby
X
Opal

Ruby and Opal Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Vitreous, Pearly
1.2 Pleochroism
Strong: purplish-red
None
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.762-1.778
1.37-1.52
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.008
Not Available
1.9 Clarity
Transparent
Transparent

Ruby and Opal Optic Character

Ruby and Opal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Ruby and Opal Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Ruby and Opal optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Ruby and Opal Transparency

Similar to their colors, Ruby and Opal transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.